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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Callahan, Richard John

    Related profiles found in government register
  • Callahan, Richard John
    American born in December 1941

    Registered addresses and corresponding companies
    • 2925 East Exposition, Denver, Colarado 80209, FOREIGN, United States

      IIF 1
    • 23 Cavendish Close, St. Johns Wood, London, NW8 9JB

      IIF 2
  • Callahan, Richard John
    American executive director born in December 1941

    Registered addresses and corresponding companies
    • 23 Cavendish Close, St. Johns Wood, London, NW8 9JB

      IIF 3
  • Callahan, Richard John
    American president born in December 1941

    Registered addresses and corresponding companies
    • 23 Cavendish Close, St. Johns Wood, London, NW8 9JB

      IIF 4
child relation
Offspring entities and appointments
Active 1
  • 1
    Richard D Hegstrom, 7th Floor, Lansdowne House, Berkeley Square London
    Active Corporate (5 parents)
    Officer
    1992-01-24 ~ now
    IIF 1 - Director → ME
Ceased 3
  • 1
    EVERYTHING EVERYWHERE LIMITED - 2013-09-02
    T-MOBILE (UK) LIMITED - 2010-07-01
    ONE 2 ONE PERSONAL COMMUNICATIONS LIMITED - 2002-04-17
    MERCURY PERSONAL COMMUNICATIONS LIMITED - 1999-10-05
    UNITEL LIMITED - 1992-05-18
    YELDASH LIMITED - 1989-09-13
    1 Braham Street, London, United Kingdom
    Active Corporate (8 parents, 9 offsprings)
    Officer
    ~ 1995-12-08
    IIF 3 - Director → ME
  • 2
    FLEXTECH (1992) P.L.C. - 1992-09-25
    SORTSHARE PUBLIC LIMITED COMPANY - 1992-05-20
    500 Brook Drive, Reading, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    1995-06-05 ~ 1995-11-09
    IIF 2 - Director → ME
  • 3
    TELEWEST COMMUNICATIONS PLC - 1996-05-13
    BARNMIST PLC - 1994-04-29
    500 Brook Drive, Reading, United Kingdom
    Active Corporate (4 parents, 2 offsprings)
    Officer
    1994-04-28 ~ 1995-10-03
    IIF 4 - Director → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.